Re: hdparm and removable IDE?

John Bradford (john@grabjohn.com)
Mon, 31 Mar 2003 10:30:03 +0100 (BST)


> Just one general comment, though. I believe it would be a very big coup
> for Linux if this feature (hot-swap IDE) were built into Linux properly.
> These big HDs are getting cheap, and the ability to back-up entire
> systems, send truly huge image and sound files to colleagues, etc., make
> this a really high-potential medium. A concrete *feature* like this
> would really speak to less knowledgeable users than some of the more
> technical developments, vital though they are.

I agree.

Something that occurs to me - if a machine has non hot-swap capable
IDE hardware, but has suspend to RAM functionality, presumably it is
OK from an electronic viewpoint to swap disks? What about PCI hot
swap? Presumably we can remove a non hot-swap IDE controller
completely, and re-install it with different drives connected?

In other words, perhaps IDE hot swap capable equipment is not
completely a pre-requisite to make use of IDE hot swap from the kernel
point of view.

John.
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